LightKey Datasheet of 2.30 inch 8x8 Lamp Dot Matrix LED Display LMl23088A/B Series – 2.30 inch 8x8 Lamp Dot Matrix LED Display ATTENTION OBSERVE PRECAUTIONS FOR HANDLING ELECTROSTATIC DISCHARGE SENSITIVE DEVICES Features Available options ¾ 60.20 mm (2.30 inch) matrix height ¾ ¾ Dot size: Diameter 5.00 mm ¾ Pitch: 7.62 mm ¾ Wide viewing angle ¾ Range of emitted colors ¾ I.C. compatible ¾ Low power consumption ¾ White dot, grey or black face ¾ RoHS compliant Alternative emitting luminosity: Standard or high brightness version ¾ ¾ ¾ ¾ ¾ Alternative emitted color Alternative dot color Alternative face color Both CA or CC versions are available Cropped terminal pins Package Dimensions Notes: 1. All dimensions are in millimeters (inches), Tolerance is + 0.25mm (0.01inch) unless other wise noted. 2. Specifications are subject to change without notice. 3. The gap between the reflector and PCB shall not exceed 0.25mm. SPEC NO: DS10121853 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 1/3 DATE: Jul/20/2011 LightKey Datasheet of 2.30 inch 8x8 Lamp Dot Matrix LED Display Internal Circuit Diagram LM23088A (Common Cathode Row) LM23088B (Common Anode Row) 1 2 3 4 5 6 7 8 PIN NO. 13 3 4 10 6 11 15 16 COL. PIN ROW NO. 9 1 1 2 3 4 5 6 7 8 PIN NO. 13 3 4 10 6 11 15 16 COL. PIN ROW NO. 9 1 2 14 2 14 3 8 3 8 4 12 4 12 5 1 5 1 6 7 6 7 7 2 7 2 8 5 8 5 Selection Guide （Ta = 25 °C） Part Number Emitted Len Color Color WLD Forward Luminous Viewing Voltage VF/Dot Intensity Iv/Dot Angle Typ LML23088BU R Min Water Orange-red Clear LML23088BU Y Max Diffused Units SPEC NO: DS10121853 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM 2θ1/2 1300. 625 2 2.5 Yellow Yellow Typ. 590 2 nm CHECKED: Emily Zhou 2.5 V 900.00 00 1000.0 1500. 0 00 mcd APPROVED: M.H. Lin TEL: 0086-574-86322282 100 120 °C PAGE: 2/3 DATE: Jul/20/2011 LightKey Datasheet of 2.30 inch 8x8 Lamp Dot Matrix LED Display Electrical Characteristics & Absolute Maximum Ratings (Ta = 25 °C) Characteristics Test Condition Pulse Forward Current 1/10 duty cycle 0.1ms Pulse width DC Forward Current Reverse Current Vr=5V Symbol UE UY Units IFP 100 100 mA IF 30 30 Ma IR 10 10 µA 65*64 Mw 65*6 Power Dissipation PD 4 Operating Temperature TOPR -40to+80 ℃ Storage Temperature TTSG -40to+85 ℃ 260 ℃ Lead soldering temp SPEC NO: DS10121853 REV: A.4 HTTP://WWW.DISPLAY-LEDS.COM CHECKED: Emily Zhou APPROVED: M.H. Lin TEL: 0086-574-86322282 PAGE: 3/3 DATE: Jul/20/2011